Lua APA (7ú heag.)

Não informado. (1936). The Journal of Symbolic Logic. Association for Symbolic Logic.

Lua i Stíl Chicago (17ú heag.)

Não informado. The Journal of Symbolic Logic. Pasadena, Calif: Association for Symbolic Logic, 1936.

Lua MLA (8ú heag.)

Não informado. The Journal of Symbolic Logic. Association for Symbolic Logic, 1936.

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